الإعلان التشويقي
طاقم التمثيل
Hurd Hatfield
Dr. John Wyatt
Godfrey Tearle
President Franklin D. Roosevelt
John Litel
K.T. Keller
Henry O'Neill
Gen. Thomas F. Farrell
Brian Donlevy
Maj. Gen. Leslie R. Groves
Robert Walker
Col. Jeff Nixon
Beverly Tyler
Anne Cochran
Jonathan Hale
Dr. Vannevar Bush
Tom Drake
Matt Cochran
هوم كرونين
Dr. J. Robert Oppenheimer
Joseph Calleia
Dr. Enrico Fermi
ريتشارد هايدن
Dr. Chisholm
Ellen Ross
Waitress
Bobby Jordan
Radioman on Tinian Receiving A-Bomb Message
Audrey Totter
Jean O'Leary
Victor Francen
Dr. Marre
Warner Anderson
Capt. William S. Parsons